Journal
LANGMUIR
Volume 25, Issue 20, Pages 12030-12033Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la903265p
Keywords
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Funding
- NSFC, China [20673109]
- Ministry of Science and Technology [2007AA03Z354, 2007BAK261306]
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Graphene sheets functionalized covalently with biocompatible poly-L-lysine (PLL) were first synthesized in all alkaline solution. PLL-functionalized graphene is water-soluble and biocompatible, which makes it a novel material promising for biological applications. Graphene sheets played an important role as connectors to assemble these active amino groups Of Poly-L-lysine, which provided a very biocompatible. environment for further functionalization, such as attaching bioactive molecules. As an example, an amplified biosensor toward H2O2 based on linking peroxidase onto PLL-functionalized graphene was investigated.
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